Behavioral task
behavioral1
Sample
0892a3e368f8ad141d218e880613462374b3f9906ce3faff977952677c3af621.exe
Resource
win10v2004-20250502-en
General
-
Target
0892a3e368f8ad141d218e880613462374b3f9906ce3faff977952677c3af621
-
Size
71KB
-
MD5
184fbd147e905c578080872c45b9c023
-
SHA1
2d091ba90484937a93570a2526bac8b52c8ccce0
-
SHA256
0892a3e368f8ad141d218e880613462374b3f9906ce3faff977952677c3af621
-
SHA512
d3467847da1eb5d9425c6adf3473f210d8a766a0cf3cbfe45ab08c99ee2a1a8d1aa356980c046c9cd9572e050529559292f184c3fdee2e3efd6600d9689364f1
-
SSDEEP
1536:s7ZppApdIIC0/2YtBUOqHCQNm2zs+dD8dlxhiCW1aQx6:spWpI0/2YjUOqHxNmMdIdlxhu0
Malware Config
Signatures
-
Cosmu family
-
Detects Cosmu payload 1 IoCs
Cosmu is a worm written in C++.
resource yara_rule sample family_cosmu -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 0892a3e368f8ad141d218e880613462374b3f9906ce3faff977952677c3af621
Files
-
0892a3e368f8ad141d218e880613462374b3f9906ce3faff977952677c3af621.exe windows:1 windows x86 arch:x86
8abecba2211e61763c4c9ffcaa13369e
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
mfc42
ord2770
ord356
ord2781
ord4058
ord3181
ord2764
ord1980
ord668
ord926
ord924
ord941
ord4129
ord537
ord540
ord6282
ord825
ord6283
ord5683
ord5710
ord858
ord800
ord535
ord859
msvcrt
_adjust_fdiv
__p__commode
__p__fmode
__set_app_type
_except_handler3
_controlfp
__setusermatherr
_initterm
__getmainargs
_acmdln
exit
_XcptFilter
_exit
_beginthread
rand
fgetc
fputc
fwrite
rename
fopen
fseek
fread
fclose
_stat
__CxxFrameHandler
_mbscmp
kernel32
GetCurrentThread
GetCurrentProcess
SetPriorityClass
lstrcatA
lstrcpyA
GetEnvironmentVariableA
GetShortPathNameA
GetModuleFileNameA
GetFileAttributesA
DeleteFileA
SetFileAttributesA
GetSystemDirectoryA
WaitForSingleObject
CreateProcessA
Sleep
GetLogicalDrives
GetModuleHandleA
GetStartupInfoA
SetThreadPriority
user32
LoadIconA
MessageBoxA
shell32
ShellExecuteExA
SHChangeNotify
Sections
Size: 5KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.spack Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE